385B Excavator Hydraulic System Oil Filter (Pilot)

Hydraulic System Oil Filter (Pilot) - Replace

385B Excavator [SEBU7440]

385B Excavator Fuel System Secondary Filter - Replace

385B Excavator Hydraulic System Oil Filter (Case Drain) - Replace

HYDRAULIC SYSTEM

FILTER GP

385B Excavator Hydraulic System Oil Filter (Pilot) - Replace

385B Excavator Hydraulic System Oil Filter (Case Drain) - Replace

385B Excavator Hydraulic System Oil Filter (Return) - Replace

Open the lower right rear access door.
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Illustration 1 g00808089
Clean the area in order to keep dirt out of the filter base.
Remove the used pilot filter element from the filter base.
Note: This element is a cartridge type filter. The element cannot be reused.
Note: Dispose of used filters according to local regulations.
Clean the filter base.
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Illustration 2 g00101502
Coat the seal of a new pilot filter with clean hydraulic oil. Install the new pilot filter in the filter base. Tighten the pilot filter hand tight.
Close the access door.
After replacing any hydraulic filter, the air must be purged from each filter. Perform Step 7a through Step 7c in order to purge the air from the hydraulic system.
1. Start the engine.
2. Slowly loosen the vent plugs on top of each filter until oil flows out of the vent plugs.
3. Tighten the vent plugs.
Drive the machine slowly for 10 to 15 minutes. Move each cylinder evenly through several cycles.
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Illustration 3 g00101435
Return the machine to the servicing position. Check the machine for oil leaks.
Stop the engine.
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Illustration 4 g00808061
Maintain the oil level in the low temperature range for a cold machine. Maintain the oil level in the high temperature range for a machine that is at a normal operating temperature.
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Illustration 5 g00837210
Slowly loosen the fill/vent plug in order to relieve any pressure. Remove the fill/vent plug in order to add oil, if necessary.
Clean the fill/vent plug. Install the fill/vent plug.